Finding the Fourth Proportional to 203,856.77, 305,650.19 and 97,257.18
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Solution
The fourth proportional to 203,856.77, 305,650.19 and 97,257.18 is: 145,821.39
Step by Step Solution
- Step 1: Write the proportion equation
203,856.77 : 305,650.19 = 97,257.18 : x - Step 2: Convert to fraction form
203,856.77/305,650.19 = 97,257.18/x - Step 3: Cross multiply
203,856.77x = 305,650.19 × 97,257.18 - Step 4: Simplify right side
203,856.77x = 29,726,676,935.20 - Step 5: Solve for x
x = 29,726,676,935.20/203,856.77 - Step 6: Final answer
x = 145,821.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.